Event Planning Tips: Develop a “financing plan” for your event. After you have a created a comprehensive budget for your event. The next step is to figure out how you are going to pay for the event. Most events are funded by sponsorships, ticket sales, internal marketing budgets — or a combination of all three. When you create your budget for the event, you’ll need to estimate how much money you can realistically raise.. Before you book your venue, hire any vendors, book any entertainment, it’s a good idea to start securing sponsors first, or selling advance tickets to make sure there is enough support for your event.